package com.sxz.mall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class MyCacheConfig {

    // 添加配置类，指定存取格式，有这个，就不会用默认的

    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        // 指定自定义存取格式
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer
                (new StringRedisSerializer()));
        config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer
                (new GenericJackson2JsonRedisSerializer()));

        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }

        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
        }

        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }

        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
